Oral diseases · 2024
PANoptosis induced by inflammatory cytokines promotes salivary glands radiation injury.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Qu Yi, Li Dan, Chen Guanzheng, Zhao Shuqi, Han Zhengxue, Qin Lizheng
Аннотация
OBJECTIVE: Salivary glands are frequently damaged in patients undergoing radiotherapy for head and neck cancer. Whether PANoptosis, which is characterized by pyroptosis, apoptosis, and necroptosis, occurs during radiation injury to the salivary glands and its role remain unclear.
MATERIALS AND METHODS: Radiation-induced injury models of mouse submandibular gland, as well as primary acinar cells and HSG cell lines were established to determine the presence of radiation-induced PANoptosis. Several programmed cell death inhibitors, PFTα, disulfiram, Nec-1 and zVAD, were used to compare the effects of different cell death pathway on radiation injury. The LEGENDplex™ Human Inflammation Panel was used to characterize the inflammatory landscape secreted by salivary gland cells after radiotherapy.
RESULTS: Single 15Gy or 8Gy radiotherapy triggered PANoptosis in mouse submandibular gland or salivary gland cells. Compared to the suppression of pyroptosis, apoptosis, or necroptosis alone, the inhibition of PANoptosis is more effective in preventing radiation injury to the salivary glands (p < 0.0001). The levels of multiple inflammatory cytokines were significantly up-regulated in the supernatants of HSG cells within 48 h after IR. Neutralizing inflammatory cytokines are capable of inhibiting salivary glands PANoptosis.
CONCLUSIONS: Inhibition of PANoptosis induced by inflammatory cytokines can effectively prevent radiation injury of salivary glands.
MATERIALS AND METHODS: Radiation-induced injury models of mouse submandibular gland, as well as primary acinar cells and HSG cell lines were established to determine the presence of radiation-induced PANoptosis. Several programmed cell death inhibitors, PFTα, disulfiram, Nec-1 and zVAD, were used to compare the effects of different cell death pathway on radiation injury. The LEGENDplex™ Human Inflammation Panel was used to characterize the inflammatory landscape secreted by salivary gland cells after radiotherapy.
RESULTS: Single 15Gy or 8Gy radiotherapy triggered PANoptosis in mouse submandibular gland or salivary gland cells. Compared to the suppression of pyroptosis, apoptosis, or necroptosis alone, the inhibition of PANoptosis is more effective in preventing radiation injury to the salivary glands (p < 0.0001). The levels of multiple inflammatory cytokines were significantly up-regulated in the supernatants of HSG cells within 48 h after IR. Neutralizing inflammatory cytokines are capable of inhibiting salivary glands PANoptosis.
CONCLUSIONS: Inhibition of PANoptosis induced by inflammatory cytokines can effectively prevent radiation injury of salivary glands.